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Chemical Properties of Beryllium and Rubidium

Beryllium
Rubidium
Chemical Properties of Rubidium and Beryllium


Chemical Properties
Chemical Formula
Be   
Rb   
Isotopes
  
  
Known Isotopes
9   
29
29   
10
Electronegativity
  
  
Pauling Electronegativity
1.57   
24
0.82   
99+
Sanderson Electronegativity
1.81   
12
0.31   
32
Allred Rochow Electronegativity
1.47   
14
0.89   
40
Mulliken-Jaffe Electronegativity
1.54   
12
0.69   
24
Allen Electronegativity
1.58   
23
0.71   
99+
Electropositivity
  
  
Pauling Electropositivity
2.43   
30
3.18   
3
Ionization Energies
  
  
1st Energy Level
899.50 kJ/mol   
7
403.00 kJ/mol   
99+
2nd Energy Level
1,757.10 kJ/mol   
23
2,633.00 kJ/mol   
6
3rd Energy Level
14,848.70 kJ/mol   
2
3,860.00 kJ/mol   
11
4th Energy Level
21,006.60 kJ/mol   
2
5,080.00 kJ/mol   
18
5th Energy Level
Not Available   
6,850.00 kJ/mol   
19
6th Energy Level
Not Available   
8,140.00 kJ/mol   
20
7th Energy level
Not Available   
9,570.00 kJ/mol   
20
8th Energy Level
Not Available   
13,120.00 kJ/mol   
17
9th Energy Level
Not Available   
14,500.00 kJ/mol   
18
10th Energy Level
Not Available   
26,740.00 kJ/mol   
6
Electrochemical Equivalent
0.17 g/amp-hr   
99+
3.19 g/amp-hr   
14
Electron Work Function
4.98 eV   
6
2.16 eV   
99+
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes   
Corrosion, Ionization, Radioactive Isotopes, Radioactivity   
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